Examples
x2+7x+√3xx2+7x+√3x
Step 1
A polynomial is a combination of terms separated using + or - signs. Polynomials cannot contain any of the following:
1. Variables raised to a negative or fractional exponent. (2x-2,x12,…).
2. Variables in the denominator. (1x,1x2,…).
3. Variables under a radical. (√x,3√x,…).
4. Special features. (trig functions, absolute values, logarithms, …).
Step 2
Determine if the expression breaks any of the rules.
Breaks rule 3
Step 3
Determine if the expression is a polynomial.
Not a polynomial